Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
Regarding Wiring Diagram information
1.CHECK GROUND CONNECTION
2.CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
3.DETECT MALFUNCTIONING PART
Check the following.
4.CHECK A/F SENSOR 1 HEATER OUTPUT SIGNAL CIRCUIT
5.CHECK A/F SENSOR 1 HEATER
6.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1.
CAUTION:
7.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK AIR FUEL RATIO (A/F) SENSOR 1
Check resistance between A/F sensor terminals as per the following.
2.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1.
CAUTION:
B2581, B2582 intake sensor
Description
Intake Sensor
The intake sensor is located on the evaporator.
It converts air temperature after it passes through the evaporator
into a resistance value which is then input to the A/C auto amp.
Intake Sensor Circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC is di ...
Seatback thermal electric device
Description
Provides cooling and heat for the seatback.
Component Function Check
1.CHECK SEATBACK THERMAL ELECTRIC DEVICE FUNCTION
Turn the climate controlled seat switch to the H (Heat) HI
position and check that the seatback thermal
electric device operates correctly.
Turn the clima ...
Operating range
The Intelligent Key functions can only be used
when the Intelligent Key is within the specified
operating range from the request switch 1 .
NOTE:
If all doors are already unlocked, opening
the trunk does NOT require an Intelligent
Key to be in range of the trunk request
switch or rear of ...